386
ORGANIC SYNTHESIS—1995
VI.D-3 Kim, T.H. and Oh, D.Y., SC, 24, 2313; see also: Walker, B.J. et
al., CC, 37.
O
X /P0 3 Et 2 ΜΗ,ΤΤΑΑ,Βηα^Χ
TQ ^
Ph
^^^^
'
R S
62-70 %
VI.D-4 Sakamoto, M. et al., CPB, 42, 1919.
^ ^
R^ / C 0 2 M e
„
R
C0 2 Me
Et 2 0 3 P—CN
Z
ZnCl 2 , Et 3 N, 4 A MS
Et 2 0 3 P'
NH 2
22-71 %
VI.D-5 Andreae, S. and Pieper, V., JPR, 336, 75.
B r
B r
H 2 0 3 P
P0 3 H 2
1: (RO) 3 P, Ph-Me ^
\
/
~ ^ v
Λ - Λ
2: H 2 0, rt, 2 d
**
/ \
Qr^^çS^O
H ° 2
C
C ° 2
H
71-98 %
VI.D-6 Kobayashi, S. et al., 5, 763; Shibuya, S. et al., JOC, 59, 7562 and
7930; Bongini, A., Panunzio, M. et al., TL, 35, 8045; Jürgens, A.R. et al.,
5C,24, 1171.
NH 4 OAc, HPQ 3 Et 2 ^ R ^ / P ^ E t ,
R C H O
EtOH,60°C
I
NH 2
2 32-74%
ORGANIC SYNTHESIS—1995
VI.D-3 Kim, T.H. and Oh, D.Y., SC, 24, 2313; see also: Walker, B.J. et
al., CC, 37.
O
X /P0 3 Et 2 ΜΗ,ΤΤΑΑ,Βηα^Χ
TQ ^
Ph
^^^^
'
R S
62-70 %
VI.D-4 Sakamoto, M. et al., CPB, 42, 1919.
^ ^
R^ / C 0 2 M e
„
R
C0 2 Me
Et 2 0 3 P—CN
Z
ZnCl 2 , Et 3 N, 4 A MS
Et 2 0 3 P'
NH 2
22-71 %
VI.D-5 Andreae, S. and Pieper, V., JPR, 336, 75.
B r
B r
H 2 0 3 P
P0 3 H 2
1: (RO) 3 P, Ph-Me ^
\
/
~ ^ v
Λ - Λ
2: H 2 0, rt, 2 d
**
/ \
Qr^^çS^O
H ° 2
C
C ° 2
H
71-98 %
VI.D-6 Kobayashi, S. et al., 5, 763; Shibuya, S. et al., JOC, 59, 7562 and
7930; Bongini, A., Panunzio, M. et al., TL, 35, 8045; Jürgens, A.R. et al.,
5C,24, 1171.
NH 4 OAc, HPQ 3 Et 2 ^ R ^ / P ^ E t ,
R C H O
EtOH,60°C
I
NH 2
2 32-74%